Komatsu PC20MR-3
Browse All Komatsu or Mini Excavator Models
Contents:
Dimensions
| Tail Swing Radius | 2.65 ft in (805 mm) |
| Track Gauge | 3.94 ft in (1200 mm) |
| Bucket Offset Rh | 2.5 ft in (760 mm) |
| Crawler Length | 6.17 ft in (1880 mm) |
| Boom Swing Angle Lh | 75 degrees |
| Boom Swing Angle Rh | 50 degrees |
| Bucket Offset Lh | 1.68 ft in (510 mm) |
| Overall Height | 8.27 ft in (2520 mm) |
| Overall Width | 4.76 ft in (1450 mm) |
| Overall Length | 12.31 ft in (3750 mm) |
| Track Shoe Width | 15255.94 ft in (250 mm) |
Undercarriage
| Number Of Shoes Per Side | 39 |
| Number Of Carrier Rollers Per Side | 0 |
| Adjustment Of The Track Tension | Grease |
| Number Of Track Rollers Per Side | 3 |
Electrical System
| Starter | 1.4 kW |
| Operation Voltage | 12 V |
| Battery | 45 Ah |
| Alternator | 40 A |
Engine
| Flywheel Horsepower | 20.8 hp (15.5 kw) |
| Piston Displacement | 68.1 cu in (1.2 L) |
| Engine Model | Komatsu 3D76E-6 |
| Engine Type | Swirl chamber |
| Power Measured @ | 2500 rpm |
Capacities
| Fuel Tank | 7.4 gal (28 L) |
| Hydraulic Tank | 5.1 gal (19 L) |
| Engine Oil | 0.9 gal (3.4 L) |
| Coolant | 0.8 gal (3 L) |
Performance
| Travel Speed (Maximum) | 2.9 mph (4.6 km/h) |
| Travel Speed (Minimum) | 1.8 mph (2.8 km/h) |
| Swing Speed | 8.9 rpm |
| Ground Pressure | 3.9 psi (26.9 kPa) |
| Max. Traction Force | 4541.6 lb (2060 kg) |
| Gradeability | 30 degrees |
| Bucket Digging Force (Iso) | 4232.9 lb (1920 kg) |
| Arm Crowd Force (Iso) | 3064.5 lb (1390 kg) |
Weights
| Operating Weight | 4762 lb (2160 kg) |
Hydraulic System
| Type Of Hydraulic Pump | Variable capacity x 1 gear x 1 |
| Max. Oil Flow | 53.4 x 1 + 15.5 14.1 x 1 + 4.1 |
| Hydraulic Motor (Travel) | Variable capacity x 2 |
| Hydraulic Motor (Swing) | fixed capacity x 1 |
| Max. Pressure Setting | 3560 psi (24545.4 kPa) |
| Auxiliary Hydraulic Flow | 9.3 gal/min (35 L/min) |
Blade
| Blade Width | 4.8 ft in (1450 mm) |
| Blade Height | 11.9 in (300 mm) |
Drive System
| Drive Method | Hydrostatic |
| Type Of Travel Brake | Hydraulic lock type |
| Type Of Travel Shoe | Rubber |
